Intermediate Python for Data Science | Explore NumPy, Pandas, SciKit Learn, SciPy, TensorFlow & More
At Course Completion
This course is approximately 50% hands-on, combining expert lecture, real-world demonstrations and group discussions with machine-based practical labs and exercises. Our engaging instructors and mentors are highly experienced practitioners who bring years of current "on-the-job" experience into every classroom. Throughout the hands-on course students, will learn to leverage core Python scripting for data science skills using the most current and efficient skills and techniques.
- How to work with Python in a Data Science Context
- How to use NumPy, Pandas, and MatPlotLib
- How to create and process images with PIL
- How to visualize with Seaborn
- Key features of SciPy and Scikit Learn
Audience Profile
This course is geared for experienced data analysts, developers, engineers or anyone tasked with utilizing Python for data analytics or eventual machine learning tasks.
Prerequisites
Attending students are required to have a background in basic Python.
Take Before: Students should have attended or have incoming skills equivalent to those in the following courses:
· TTPS4873 JumpStart to Python for Data Science (3 days)
· TTPS4874 Applied Python for Data Science and Engineering (4 days)
Outline
1. Python Review (Optional)
- Why Python?
- Python syntax compared to other programming languages
- Python interpreter
- Strings
- Understanding lists
- Tuples and Sets
- Dictionaries
- Parsing command-line arguments
- Decision making
- Loops
- Iterators
- Generators
- Functions & Modules
2. NumPy Arrays and Vectorized Computation
- NumPy arrays
- Array functions
- Data processing using arrays
- Linear algebra with NumPy
- NumPy random numbers
3. SciPy
- Cluster
- Constants
- FFTpack
- Integrate
- Interpolate
- Linalg
- Ndimage
- Spatial
4. Introducing Pandas
- Data in the 21st century
- Introducing pandas
- A tour of pandas
- Summary
5. The DataFrame Object
- Overview of a DataFrame
- Similarities between Series and DataFrames
- Sorting by index
- Setting a new index
- Selecting columns and rows from a DataFrame
- Selecting rows from a DataFrame
- Extracting values from Series
- Renaming columns or rows
- Resetting an index
6. Filtering a DataFrame
- Optimizing a data set for memory use
- Filtering by a single condition
- Filtering by multiple conditions
- Filtering by condition
- Dealing with duplicates
- Coding challenge
7. Merging, Joining and Concatenating
- Introducing the data sets
- Concatenating data sets
- Missing values in concatenated DataFrames
- Left joins
- Inner joins
- Outer joins
- Merging on index labels
- Coding challenge
8. Visualization Using Matplotlib
- A crash course in Matplotlib
- Covariance and correlation
- Conditional probability
- Bayes' theorem
9. Using PIL/Pillow
- Overview
- How to Install Pillow
- How to Load and Display Images
- How to Convert Images to NumPy Arrays and Back
- How to Save Images to File
- How to Resize Images
- How to Flip, Rotate, and Crop Images
- Extensions
10. Visualization Using Seaborn
- Introduction
- Handling Data with pandas DataFrame
- Plotting with pandas and seaborn
- Tweaking Plot Parameters
11. Machine Learning with scikit-learn
- An overview of machine learning models
- The scikit-learn modules for different models
- Data representation in scikit-learn
- Supervised learning – classification and regression
- Unsupervised learning – clustering and dimensionality reduction
- Measuring prediction performance
Bonus Content / Time Permitting
12. TensorFlow Overview
- Introduction
- What are Neural Networks?
- Why Do Neural Networks Work So Well?
- Configuring a Deep Learning Environment
- Exploring a Trained Neural Network
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